Devil's Throat Cave (Dyavolsko Garlo)

Devil's Throat Cave, known in Bulgarian as Dyavolsko Garlo, is one of the most spectacular and mysterious karst caves in Bulgaria, situated in the Western Rhodope Mountains of Smolyan Province near the town of Trigrad. The cave is renowned for a powerful underground waterfall where the Trigrad River plunges 42 meters into a vast underground cavern known as the Hall of Thunder, before disappearing through a narrow siphon and resurfacing nearly 500 meters away at the Dyavolski Most (Devil's Bridge) springs. The cave extends for approximately 290 meters of accessible passage and has been protected as a Natural Monument for its exceptional geological and hydrological significance. It is one of the most visited natural attractions in the Bulgarian Rhodope region.